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A well-wisher hugs Dallas police Sgt. Jamie Matthews, right, as they visit a makeshift memorial in front of the department's headquarters Monday. Police Chief David Brown said that he is considering requiring everyone on the force to seek counseling in the coming months.

A well-wisher hugs Dallas police Sgt. Jamie Matthews, right, as they visit a makeshift memorial in front of the department’s headquarters Monday. Police Chief David Brown said that he is considering requiring everyone on the force to seek counseling in the coming months.